Featherless AI is a serverless AI inference platform that offers access to over 4300+ open-source models. Our goal is to make all AI models available for serverless inference. We provide inference via API to a continually expanding library of open-weight models.Documentation Index
Fetch the complete documentation index at: https://docs.langchain.com/llms.txt
Use this file to discover all available pages before exploring further.
Installation and setup
pip install langchain-featherless-ai
- Sign up for an account at Featherless
- Subscribe to a plan and get your API key from API Keys
- Set up your API key as an environment variable(
FEATHERLESSAI_API_KEY)
Model catalog
Visit our model catalog for an overview of all our models: https://featherless.ai/modelsConnect these docs to Claude, VSCode, and more via MCP for real-time answers.

